The compound that is NOT a common component of photochemical smog is :

Question:

The compound that is NOT a common component of photochemical smog is :

 

  1. $\mathrm{O}_{3}$

  2. $\mathrm{CH}_{2}=\mathrm{CHCHO}$

  3. $\mathrm{CF}_{2} \mathrm{Cl}_{2}$


Correct Option: , 3

Solution:

Freons (CFC's) are not common components of photo chemical smog.

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